Customize Cognito Access Token with Rust

Identity and Access Management is a critical part of any application. So many times developers and architects try and roll their own solution and while they do their best to meet OAuth and OIDC specifications, they just tend to fall short. Not to mention they end up with more maintenance and scaling issues than they planned.

Enter AWS' Cognito.

AWS' Cognito allows you to implement frictionless customer identity and access management that scales. - AWS

By leveraging a Serverless Identity …

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